816022446 has 32 divisors (see below), whose sum is σ = 1650595968. Its totient is φ = 268926240.

The previous prime is 816022429. The next prime is 816022447. The reversal of 816022446 is 644220618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816022447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437556 + ... + 439416.

It is an arithmetic number, because the mean of its divisors is an integer number (51581124).

Almost surely, 2^816022446 is an apocalyptic number.

816022446 is an abundant number, since it is smaller than the sum of its proper divisors (834573522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816022446 is a wasteful number, since it uses less digits than its factorization.

816022446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 816022446 is about 28566.1065950542. The cubic root of 816022446 is about 934.4743138188.

It can be divided in two parts, 81602 and 2446, that added together give a palindrome (84048).

The spelling of 816022446 in words is "eight hundred sixteen million, twenty-two thousand, four hundred forty-six".